Native Plants
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Wolffia columbiana
Wolffia columbiana Karst.
Columbian Watermeal
Lemnaceae (Duckweed Family)
Synonym(s): Bruniera columbiana
USDA Symbol: WOCO
USDA Native Status: L48 (N), CAN (N)
From the Image Gallery
Plant Characteristics
Duration: PerennialHabit: Herb
Size Notes: Fronds float on the surface of the water.
Fruit: Utricle.
Bloom Information
Bloom Color: GreenBloom Time: Jun , Jul , Aug , Sep
Bloom Notes: Flowers are rare and inconspicuous, lacking sepals and petals. Plant also reproduces vegetatively.
Distribution
USA: AL , AR , CA , CO , CT , DC , DE , FL , GA , IA , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MS , MT , NC , ND , NE , NH , NJ , NY , OH , OK , OR , PA , SC , SD , TN , TX , VA , VT , WI , WVCanada: NB
Growing Conditions
Aquatic: yesNational Wetland Indicator Status
Region: | AGCP | AK | AW | CB | EMP | GP | HI | MW | NCNE | WMVE |
Status: | OBL | OBL | OBL | OBL | OBL | OBL | OBL |
Web Reference
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resources
USDA: Find Wolffia columbiana in USDA PlantsFNA: Find Wolffia columbiana in the Flora of North America (if available)
Google: Search Google for Wolffia columbiana
Metadata
Record Modified: 2023-04-10Research By: TWC Staff